gentoo-overlay/net-mail/courier-imap/files/courier-imap-4.17-db4-configure.ac.patch

--- a/configure.ac.orig	2013-09-28 19:44:24.000000000 +0200
+++ b/configure.ac	2013-11-22 10:46:34.910990069 +0100
@@ -180,15 +180,21 @@
 if test "$db" != "gdbm"
 then
 
-	AC_CHECK_LIB(db, dbopen, [ LIBDB=-ldb ; LIBS="-ldb $LIBS" ],
-		AC_CHECK_LIB(db, db_open, [ LIBDB=-ldb ; LIBS="-ldb $LIBS"],
-		AC_CHECK_LIB(db, db_env_create,
-				[ LIBDB=-ldb; LIBS="-ldb $LIBS"])
-	))
-
-	AC_CHECK_FUNC(dbopen, HAVE_BDB=1)
-	AC_CHECK_FUNC(db_open, HAVE_BDB=1)
-	AC_CHECK_FUNC(db_env_create, HAVE_BDB=1)
+for dbname in db-4.4 db4.4 db44 db-4.3 db4.3 db43 db-4.2 db4.2 db42 db-4.1 db4.1 db41 db-4.0 db4.0 db-4 db40 db4 db
+	do
+		AC_CHECK_LIB($dbname, db_create_4004, [ LIBDB=-l$dbname ; LIBS="-l$dbname $LIBS"; break ],
+		AC_CHECK_LIB($dbname, db_create_4003, [ LIBDB=-l$dbname ; LIBS="-l$dbname $LIBS"; break ],
+		AC_CHECK_LIB($dbname, db_create_4002, [ LIBDB=-l$dbname ; LIBS="-l$dbname $LIBS"; break ],
+		AC_CHECK_LIB($dbname, db_create_4001, [ LIBDB=-l$dbname ; LIBS="-l$dbname $LIBS"; break ],
+		AC_CHECK_LIB($dbname, db_create_4000, [ LIBDB=-l$dbname ; LIBS="-l$dbname $LIBS"; break ],
+		AC_CHECK_LIB($dbname, db_create, [ LIBDB=-l$dbname ; LIBS="-l$dbname $LIBS"; break ]))))))
+	done
+AC_CHECK_FUNC(db_create_4004, HAVE_BDB=1)
+AC_CHECK_FUNC(db_create_4003, HAVE_BDB=1)
+AC_CHECK_FUNC(db_create_4002, HAVE_BDB=1)
+AC_CHECK_FUNC(db_create_4001, HAVE_BDB=1)
+AC_CHECK_FUNC(db_create_4000, HAVE_BDB=1)
+AC_CHECK_FUNC(db_create, HAVE_BDB=1)
 fi
 
 LIBS="$saveLIBS"